#!/usr/bin/env node
// 导入 circle 对象
const circle = require('/08-circle/bin/circle.js');

// 定义一个圆的半径
const radius = 5;

// 调用 circle 的方法，并打印结果
console.log(`Diameter of circle with radius ${radius}: ${circle.calculateDiameter(radius)}`);
console.log(`Circumference of circle with radius ${radius}: ${circle.calculateCircumference(radius)}`);
console.log(`Area of circle with radius ${radius}: ${circle.calculateArea(radius)}`);